/Engine/Source/Runtime/Experimental/Iris/Core/Public/Iris/Serialization/IrisObjectReferencePackageMap.h
We override SerialzierObject in order to be able to capture object references.
virtual bool SerializeObject ( [FArchive](API\Runtime\Core\Serialization\FArchive) & Ar, [UClass](API\Runtime\CoreUObject\UObject\UClass) * InClass, [UObject](API\Runtime\CoreUObject\UObject\UObject) *& Obj, [FNetworkGUID](API\Runtime\Core\Misc\FNetworkGUID) * OutNetGUID )